The Silicon Labs SIM3U146-B-GM is a 32-bit ARM microcontroller with a maximum operating frequency of 80MHz and 64KB of FLASH memory. It also features 16KB of RAM and is packaged in a QFN package. The device operates within a temperature range of -40°C to 85°C and is compliant with RoHS standards. It includes various peripherals such as a brown-out detect/reset, power-on reset, pulse-width modulation, and watchdog timer, as well as DMA support.
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| Package/Case | QFN |
| Core Architecture | ARM |
| Data Bus Width | 32b |
| Max Frequency | 80MHz |
| Max Operating Temperature | 85°C |
| Max Power Dissipation | 800mW |
| Max Supply Voltage | 3.6V |
| Memory Size | 64KB |
| Memory Type | FLASH, |
| Min Operating Temperature | -40°C |
| Number of Channels | 10 |
| Number of I/Os | 50 |
| Number of Programmable I/O | 65 |
| Number of Timers/Counters | 2 |
| Oscillator Type | Internal |
| Package Quantity | 260 |
| Packaging | Tray |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, DMA |
| RAM Size | 16KB |
| RoHS Compliant | Yes |
| Series | SiM3U1xx |
| Watchdog Timer | Yes |
| RoHS | Compliant |
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